21563119

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{829}}^1$

素因数の和:922

約数の個数: 12

約数和(自身を含む): 23356200

約数和(自身を除く): 1793081

約数列:

[1, 19, 37, 703, 829, 1369, 15751, 26011, 30673, 582787, 1134901, 21563119]

約数ペア:

[(1, 21563119), (19, 1134901), (37, 582787), (703, 30673), (829, 26011), (1369, 15751)]